X-Energy
Direct Workday career site

Senior Cyber Systems Administrator

Location
Rockville, MD
Listed
Today

About the role

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, We will never ask you to provide payment information as part of the recruiting process.

About the role

X-energy is looking for a Senior Cyber Systems Administrator for the development and execution of cyber security engineering strategies and activities in support of plant design and engineering teams.

This is a hands-on technical position for expert-level candidates with 15 years' experience or more.

This role will focus on the efforts of building a lab for an industrial control systems environment. Candidates must be able to help lead installation, hardening and administration of these systems. Knowledge of operational technologies, SIEM set up, and building endpoint detection from scratch is vital to this role.

Job Profile Tasks/Responsibilities

  • Execute the advanced threat hunt operations using known adversary tactics, techniques, and procedures as well as indicators of attack to detect adversaries.
  • Develop threat intelligence to detect, respond, and defeat advanced persistent threats (APTs).
  • Develop and produce reports on all activities and incidents to help maintain day-to-day status, develop, and report on trends, and provide focus and situational awareness on all issues.
  • Identify and remediate control weaknesses.
  • Review data with firewall administrators, engineering, system administrators, and other appropriate groups to determine the risk of security events.
  • Perform complex (senior-level) information security analysis work.
  • Develop and recommend plans to safeguard computer/server/network configurations and data files against accidental or unauthorized modification, destruction, or disclosure and to meet emergency data processing needs.
  • Execute the performance and review of technical risk assessments and new and existing applications.
  • Develop and implement systems and procedures to prevent, detect, contain, and correct data security breaches.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Job Profile Minimum Qualifications

  • High school diploma or equivalent.
  • Typically, fifteen years combined experience of Cyber Engineering, IT Networking and Operational Technologies required for a Level V, 10 years required for a Level IV.
  • Advanced knowledge and experience managing cybersecurity tools such as NDR, EDR, and SIEM.
  • Advanced experience with Azure and AWS.
  • One or more of the following qualifications is required: Certified Information Systems Security Professional (CISSP), Certified Information Systems Auditor (CISA), GIAC (Global Information Assurance Certification), Certified Incident Handler GCIH, GIAC Certified Penetration Tester (GPEN), Global Industrial Cybersecurity Professional (GICSP) or equivalent.
  • Identity and Access Management technologies including Federation, Multi-Factor Authentication (MFA), and Public Key Infrastructure (PKI).
  • Cloud technologies to include AWS, Azure, Docker, Kubernetes, and DevSecOps.
  • Networking, Firewall, and software-defined networking.
  • Integration of cybersecurity tools to support an Enterprise level Cybersecurity program.
  • Leveraging Artificial Intelligence (AI), Machine Learning (ML), and Orchestration to secure the environment.
  • Knowledge of ServiceNow platform capabilities, modules, and best practices.
  • Experience in ServiceNow development and architecture.
  • Familiarity with ITIL processes and service management principles.
  • Technical skills, including scripting, workflow configuration, and business rule development.
  • Ability to independently design and lead complex user interfaces, integrations and workflows.
  • Proficiency in JavaScript, AngularJS, HTML, CSS, and ServiceNow Glide API.
  • Location: 9801 Washingtonian Blvd Gaithersburg, MD
  • Hours: 8:00am-5:00pm, Mon-Fri
  • Work Site Expectations: Remote eligible
  • Travel: 10% to offices or sites

Compensation

As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.).

Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions.

Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.

Offers within the posted salary range are commensurate with the individual's qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:

  • Level IV: $145,000 to $170,000 / Level V: $180,000 to $205,000
  • Position Job Classification
  • Full time - Exempt

Benefits

X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.

Read the original posting

From X-Energy's careers page, first listed on Rolev.ai on November 15, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Senior Cyber Systems Administrator job at X-Energy located?

This Senior Cyber Systems Administrator position at X-Energy is located in Rockville, MD. Always check X-Energy's application page for specific state eligibility or relocation policies.

How do I apply for the Senior Cyber Systems Administrator position at X-Energy?

This listing links directly to X-Energy's Workday application page. You can apply directly on X-Energy's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Workday application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.